| Literature DB >> 1139938 |
S Bhatnagar, U K Srivastava, D Takkar, V L Chandra, V Hingorani, K R Laumas.
Abstract
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Keywords: Clinical Research; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Implants; Demographic Factors; Diseases; Evaluation; Family Planning; Human Volunteers; Longterm Effects; Menstruation Disorders; Norethindrone; Norethindrone Acetate; Population; Population Dynamics; Research Methodology; Silastic Ring; Time Factors
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Year: 1975 PMID: 1139938 DOI: 10.1016/0010-7824(75)90105-5
Source DB: PubMed Journal: Contraception ISSN: 0010-7824 Impact factor: 3.375